111203024340403 has 12 divisors (see below), whose sum is σ = 113096254495224. Its totient is φ = 109340991201600.

The previous prime is 111203024340379. The next prime is 111203024340413. The reversal of 111203024340403 is 304043420302111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-111203024340403 is a prime.

It is a super-2 number, since 2×111203024340403² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111203024340413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5099023 + ... + 15760903.

It is an arithmetic number, because the mean of its divisors is an integer number (9424687874602).

Almost surely, 2^{111203024340403} is an apocalyptic number.

111203024340403 is a deficient number, since it is larger than the sum of its proper divisors (1893230154821).

111203024340403 is an equidigital number, since it uses as much as digits as its factorization.

111203024340403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10664806 (or 10664745 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 111203024340403 its reverse (304043420302111), we get a palindrome (415246444642514).

The spelling of 111203024340403 in words is "one hundred eleven trillion, two hundred three billion, twenty-four million, three hundred forty thousand, four hundred three".